/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package Servlets;

import Beans.Ciudad;
import Beans.Hotel;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.UnavailableException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Micaela
 */
public class BajaModHotel extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private Connection con;
    public void init() throws ServletException{
        try{
            Class.forName("com.mysql.jdbc.Driver").newInstance();
            con=DriverManager.getConnection("jdbc:mysql://localhost/Agencia","root","root");
        }
        catch(Exception ex){
            throw new UnavailableException("Error: "+ex.getMessage());
        }
    }
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        if(request.getParameter("baja")!=null){
                              
                try {
                    Ciudad c = BuscarCiudad(Integer.parseInt(request.getParameter("CodCiudad")));
                    Hotel h = BuscarHotel(Integer.parseInt(request.getParameter("IdHotel")));                   
                     CallableStatement cs= con.prepareCall("{call BajaHotel(?)}");
                     cs.setInt(1,h.getIdHotel());
                     cs.executeUpdate();
                     response.sendRedirect("MenuPrincipal.jsp");
                    }
                catch(SQLException ex){
                throw new UnavailableException("Error en la bd :( :" + ex.getMessage());
                  }             
          }
        else{
            if((request.getParameter("NomHotel")!= null)&&((request.getParameter("Clasificacion")!=null))){ 
                     try{
                    int idHotel=Integer.parseInt(request.getParameter("IdHotel"));
                    String nomHotel=request.getParameter("NomHotel");
                    int clas=Integer.parseInt(request.getParameter("Clasificacion"));
                    CallableStatement cs=con.prepareCall("{call ModificarHotel(?,?,?)}");
                    cs.setInt(1, idHotel);
                    cs.setString(2, nomHotel);
                    cs.setInt(3, clas);
                    cs.executeUpdate();
                    response.sendRedirect("MenuPrincipal.jsp");
                }
                   
                catch(IOException ex){
                    throw new UnavailableException("Error unaviEx IOEx  :("+ex.getMessage());
                }
                catch(NumberFormatException ex){
                    throw new UnavailableException("ingrese numeros por favor -.- ");
                }
                catch(SQLException ex){
                    throw new UnavailableException("Error en bd"+ex.getMessage());
                }
                
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
    public Hotel BuscarHotel(int id) throws UnavailableException{
   
   try {            
                PreparedStatement cs= con.prepareStatement("SELECT * FROM Hotel WHERE IdHotel="+id);
                ResultSet rs = cs.executeQuery();
                 Hotel h=null;
              if(rs.next()){
                     h = new Hotel(rs.getString("Nombre"),rs.getInt("Clasificacion"),null,null);
                     h.setIdHotel(rs.getInt("IdHotel")); 
                     Blob blob=rs.getBlob("Foto");
                     if(blob!=null){
                        byte[] data=blob.getBytes(1, (int)blob.length());
                        h.setUnaFoto(data);
                     }
              }
        return h;
        }
    catch (SQLException ex){
                throw new UnavailableException("Error unaviEx IOEx  :(" + ex.getMessage());
            }
    
    }
    
    public Ciudad BuscarCiudad(int cod) throws SQLException{
        try{
            PreparedStatement cs=con.prepareStatement("SELECT * FROM Ciudad WHERE CodCiudad="+cod);
                  ResultSet rs=cs.executeQuery();
                  Ciudad c=null;
                  if(rs.next()){
                      c=new Ciudad(rs.getString("Nombre"), rs.getString("Pais"), rs.getString("IdiomaOf"));
                      c.setCodCiudad(rs.getInt("CodCiudad"));
                  }    
                  return c;
        }
        catch(SQLException ex){
            throw ex;
        }
    }
}
